CA1238036A - Trepans a molettes pour le forage - Google Patents

Trepans a molettes pour le forage

Info

Publication number
CA1238036A
CA1238036A CA000466476A CA466476A CA1238036A CA 1238036 A CA1238036 A CA 1238036A CA 000466476 A CA000466476 A CA 000466476A CA 466476 A CA466476 A CA 466476A CA 1238036 A CA1238036 A CA 1238036A
Authority
CA
Canada
Prior art keywords
drill bit
rotary drill
fence
cutting elements
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000466476A
Other languages
English (en)
Inventor
Terry R. Matthias
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NL Petroleum Products Ltd
Original Assignee
NL Petroleum Products Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd
Application granted granted Critical
Publication of CA1238036A publication Critical patent/CA1238036A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA000466476A 1983-10-29 1984-10-26 Trepans a molettes pour le forage Expired CA1238036A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08328961A GB2148978B (en) 1983-10-29 1983-10-29 Improvements in or relating to rotary drill bits
GB8328961 1983-10-29

Publications (1)

Publication Number Publication Date
CA1238036A true CA1238036A (fr) 1988-06-14

Family

ID=10550955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000466476A Expired CA1238036A (fr) 1983-10-29 1984-10-26 Trepans a molettes pour le forage

Country Status (6)

Country Link
US (1) US4596296A (fr)
EP (1) EP0140676B1 (fr)
CA (1) CA1238036A (fr)
DE (1) DE3478628D1 (fr)
GB (1) GB2148978B (fr)
NO (1) NO844264L (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8418482D0 (en) * 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits
US4727946A (en) * 1984-10-26 1988-03-01 Nl Industries, Inc. Rotary drill bits
GB8524146D0 (en) * 1985-10-01 1985-11-06 Nl Petroleum Prod Rotary drill bits
GB8528299D0 (en) * 1985-11-16 1985-12-18 Nl Petroleum Prod Rotary drill bits
US4856601A (en) * 1986-01-22 1989-08-15 Raney Richard C Drill bit with flow control means
FR2606069B1 (fr) * 1986-11-04 1991-01-18 Vennin Henri Outil de forage monobloc rotatif
US5033560A (en) * 1990-07-24 1991-07-23 Dresser Industries, Inc. Drill bit with decreasing diameter cutters
US5644926A (en) * 1995-03-01 1997-07-08 Apv Crepaco, Inc. Two-piece scraping blade construction
US6302223B1 (en) 1999-10-06 2001-10-16 Baker Hughes Incorporated Rotary drag bit with enhanced hydraulic and stabilization characteristics
US6971459B2 (en) * 2002-04-30 2005-12-06 Raney Richard C Stabilizing system and methods for a drill bit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619666A (en) * 1948-02-20 1952-12-02 Hayes Sloan Products Company Ball processing brush
US2539054A (en) * 1948-07-29 1951-01-23 Breuer Electric Mfg Company Brush for floor treating machines
US3243832A (en) * 1963-11-15 1966-04-05 Electrolux Corp Rotary brush
US3384191A (en) * 1965-08-13 1968-05-21 Reed Roller Bit Co Drill bit
US3871488A (en) * 1974-02-13 1975-03-18 Daniel R Sabre Rock drilling
US3938599A (en) * 1974-03-27 1976-02-17 Hycalog, Inc. Rotary drill bit
GB1548499A (en) * 1977-05-17 1979-07-18 Shell Int Research Rotary drilling bit for deephole drilling and method of manufacturing the same
GB1537000A (en) * 1977-08-17 1978-12-29 Shell Int Research Rotary drilling bit
US4200160A (en) * 1978-03-13 1980-04-29 Smith International, Inc. Sweep pickup for a big hole bit
US4465148A (en) * 1979-11-29 1984-08-14 Smith International, Inc. Eccentric counterbore for diamond insert stud
US4397363A (en) * 1980-01-10 1983-08-09 Drilling & Service U.K. Limited Rotary drill bits and method of use
US4341273A (en) * 1980-07-04 1982-07-27 Shell Oil Company Rotary bit with jet nozzles
DE3030010C2 (de) * 1980-08-08 1982-09-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel für Tiefbohrungen
US4363367A (en) * 1981-10-26 1982-12-14 Smith International, Inc. Large diameter drill bit
CA1217475A (fr) * 1982-09-16 1987-02-03 John D. Barr Trepan de forage

Also Published As

Publication number Publication date
US4596296A (en) 1986-06-24
DE3478628D1 (en) 1989-07-13
NO844264L (no) 1985-04-30
EP0140676B1 (fr) 1989-06-07
GB2148978B (en) 1987-01-07
GB8328961D0 (en) 1983-11-30
EP0140676A3 (en) 1986-02-12
EP0140676A2 (fr) 1985-05-08
GB2148978A (en) 1985-06-05

Similar Documents

Publication Publication Date Title
US6164394A (en) Drill bit with rows of cutters mounted to present a serrated cutting edge
US4499958A (en) Drag blade bit with diamond cutting elements
US5901797A (en) Drilling apparatus with dynamic cuttings removal and cleaning
EP0314953B1 (fr) Trépans de forage rotatif
US5595252A (en) Fixed-cutter drill bit assembly and method
CA1159047A (fr) Trepan pour le forage a grandes profondeurs
EP0542237B1 (fr) Elément de coupe pour un trépan de forage et méthode pour réduire la charge de pression des débris de forage
US4719979A (en) Expendable diamond drag bit
US4606418A (en) Cutting means for drag drill bits
AU612454B2 (en) Method and apparatus for establishing hydraulic flow regime in drill bits
US5103922A (en) Fishtail expendable diamond drag bit
US5291807A (en) Patterned hardfacing shapes on insert cutter cones
US4554986A (en) Rotary drill bit having drag cutting elements
US4727946A (en) Rotary drill bits
US8689910B2 (en) Impregnation bit with improved cutting structure and blade geometry
CA1238036A (fr) Trepans a molettes pour le forage
GB2225797A (en) Drill bit.
CA1157009A (fr) Trepans de foration, et mode d'emploi connexe
EP0872625A3 (fr) Trépans de forage rotatif avec buses
USRE26669E (en) Drilling bit
US10519734B2 (en) Downhole milling tool apparatus
GB2138864A (en) Roller drill bits
CN100458097C (zh) 冲击钻头、包括这种钻头的钻井系统和钻井方法
EP0212809B1 (fr) Trépan de forage rotatif pour prise de carotte dans des formations souterraines
US4527642A (en) Earth-boring drill bit with rectangular nozzles

Legal Events

Date Code Title Description
MKEX Expiry